Transformation of coordinates at 0.01m level of accuracy.
For the reverse transformation from RDN2008 to IGM95, iteration may be avoided by using an alternative grid file (35160622_47161840_F00_F89.gsb).
(0,)
Definition: OGC Well Known Text 2 (2019)
COORDINATEOPERATION["IGM95 to RDN2008 (1)", VERSION["IGM-Ita"], SOURCECRS[ GEOGCRS["IGM95", DATUM["Istituto Geografico Militaire 1995", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",4670]]], TARGETCRS[ GEOGCRS["RDN2008", DATUM["Rete Dinamica Nazionale 2008", ELLIPSOID["GRS 1980",6378137,298.257222101, LENGTHUNIT["metre",1]]], PRIMEM["Greenwich",0, ANGLEUNIT["degree",0.0174532925199433]], CS[ellipsoidal,2], AXIS["geodetic latitude (Lat)",north, ORDER[1], ANGLEUNIT["degree",0.0174532925199433]], AXIS["geodetic longitude (Lon)",east, ORDER[2], ANGLEUNIT["degree",0.0174532925199433]], ID["EPSG",6706]]], METHOD["NTv2", ID["EPSG",9615]], PARAMETERFILE["Latitude and longitude difference file","35160622_47161840_F89_F00.gsb"], OPERATIONACCURACY[0.01], USAGE[ SCOPE["Transformation of coordinates at 0.01m level of accuracy."], AREA["Italy - onshore and offshore between 6°22'E and 18°40'E and north of 35°16'N; San Marino, Vatican City State."], BBOX[35.26,6.36,47.1,18.67]], ID["EPSG",9737], REMARK["For the reverse transformation from RDN2008 to IGM95, iteration may be avoided by using an alternative grid file (35160622_47161840_F00_F89.gsb)."]]
Definition: JavaScript (Proj4js)
proj4.defs("EPSG:9737","+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=35160622_47161840_F89_F00.gsb +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1");
Definition: JSON
{ "$schema": "https://proj.org/schemas/v0.7/projjson.schema.json", "type": "Transformation", "name": "IGM95 to RDN2008 (1)", "source_crs": { "type": "GeographicCRS", "name": "IGM95", "datum": { "type": "GeodeticReferenceFrame", "name": "Istituto Geografico Militaire 1995", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 4670 } }, "target_crs": { "type": "GeographicCRS", "name": "RDN2008", "datum": { "type": "GeodeticReferenceFrame", "name": "Rete Dinamica Nazionale 2008", "ellipsoid": { "name": "GRS 1980", "semi_major_axis": 6378137, "inverse_flattening": 298.257222101 } }, "coordinate_system": { "subtype": "ellipsoidal", "axis": [ { "name": "Geodetic latitude", "abbreviation": "Lat", "direction": "north", "unit": "degree" }, { "name": "Geodetic longitude", "abbreviation": "Lon", "direction": "east", "unit": "degree" } ] }, "id": { "authority": "EPSG", "code": 6706 } }, "method": { "name": "NTv2", "id": { "authority": "EPSG", "code": 9615 } }, "parameters": [ { "name": "Latitude and longitude difference file", "value": "35160622_47161840_F89_F00.gsb", "id": { "authority": "EPSG", "code": 8656 } } ], "accuracy": "0.01", "scope": "Transformation of coordinates at 0.01m level of accuracy.", "area": "Italy - onshore and offshore between 6°22'E and 18°40'E and north of 35°16'N; San Marino, Vatican City State.", "bbox": { "south_latitude": 35.26, "west_longitude": 6.36, "north_latitude": 47.1, "east_longitude": 18.67 }, "id": { "authority": "EPSG", "code": 9737 }, "remarks": "For the reverse transformation from RDN2008 to IGM95, iteration may be avoided by using an alternative grid file (35160622_47161840_F00_F89.gsb)." }
Definition: MapServer - MAPfile
PROJECTION "proj=pipeline" "step" "proj=axisswap" "order=2,1" "step" "proj=unitconvert" "xy_in=deg" "xy_out=rad" "step" "proj=hgridshift" "grids=35160622_47161840_F89_F00.gsb" "step" "proj=unitconvert" "xy_in=rad" "xy_out=deg" "step" "proj=axisswap" "order=2,1" END
Definition: Mapnik
<?xml version="1.0" encoding="utf-8"?> <Map srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=35160622_47161840_F89_F00.gsb +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> <Layer srs="+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=35160622_47161840_F89_F00.gsb +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1"> </Layer> </Map>
Definition: SQL (PostGIS)
INSERT into spatial_ref_sys (srid, auth_name, auth_srid, proj4text, srtext) values ( 9737, 'EPSG', 9737, '+proj=pipeline +step +proj=axisswap +order=2,1 +step +proj=unitconvert +xy_in=deg +xy_out=rad +step +proj=hgridshift +grids=35160622_47161840_F89_F00.gsb +step +proj=unitconvert +xy_in=rad +xy_out=deg +step +proj=axisswap +order=2,1', 'None');